Big crane



FIG. 1 is a top, front, left perspective view of the big crane of the present invention;

FIG. 2 shows an enlarged lower right portion of the crane in FIG. 1;

FIG. 3 is a top view of the big crane, the bottom view not being part of the claimed design;

FIG. 4 is a left side view of the big crane, the right side being a mirror image thereof; and,

FIG. 5 shows a front view thereof.

The broken line showing of a human in FIGS. 1 and 2 is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a big crane, as shown and described. 